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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2009.0524 -- [Mac][OSX] Apple Terminal xterm: Execute Arbitrary Code 3 June 2009 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Apple Terminal xterm Publisher: Zero Day Initiative Operating System: Mac OS X Impact: Execute Arbitrary Code/Commands Access: Remote/Unauthenticated CVE Names: CVE-2009-1717 Original Bulletin: http://dvlabs.tippingpoint.com/advisory/TPTI-09-04 - --------------------------BEGIN INCLUDED TEXT-------------------- TPTI-09-04: Apple Terminal xterm Resize Escape Sequence Memory Corruption Vulnerability http://dvlabs.tippingpoint.com/advisory/TPTI-09-04 June 2, 2009 - -- CVE ID: CVE-2009-1717 - -- Affected Vendors: Apple - -- Affected Products: Apple OS X - -- TippingPoint(TM) IPS Customer Protection: TippingPoint IPS customers have been protected against this vulnerability by Digital Vaccine protection filter ID 8152. For further product information on the TippingPoint IPS, visit: http://www.tippingpoint.com - -- Vulnerability Details: This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Apple Terminal. User interaction is required to exploit this vulnerability in that the target must visit a malicious page. The specific flaw exists in the handling of 'CSI[4' xterm window resizing escape code. When a very low negative value for (x, y) size is set, an integer overflow occurs resulting in a memory corruption. This can be further leveraged to execute arbitrary code under the context of the logged in user. - -- Vendor Response: Apple has issued an update to correct this vulnerability. More details can be found at: http://support.apple.com/kb/HT3549 - -- Disclosure Timeline: 2009-05-06 - Vulnerability reported to vendor 2009-06-02 - Coordinated public release of advisory - -- Credit: This vulnerability was discovered by: * James King, TippingPoint DVLabs - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 If you believe that your computer system has been compromised or attacked in any way, we encourage you to let us know by completing the secure National IT Incident Reporting Form at: http://www.auscert.org.au/render.html?it=3192 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iD8DBQFKJbsVNVH5XJJInbgRAoSBAJ48mvCuPLKp8Np4ArysAkxF7L59RQCdHQyi nUSCSCobEds5M0pcxQkSHe0= =7D8e -----END PGP SIGNATURE-----